From ff5688ae1cedfb175b5ed0f319d03ad2e5ee005d Mon Sep 17 00:00:00 2001
From: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Date: Mon, 9 Jan 2006 18:37:15 -0800
Subject: [PATCH] drivers/net/*: use time_after() and friends

They deal with wrapping correctly and are nicer to read.  Also make
jiffies-holding variables unsigned long.

Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
---
 drivers/net/tokenring/lanstreamer.c | 3 ++-
 drivers/net/tokenring/olympic.c     | 9 +++++----
 2 files changed, 7 insertions(+), 5 deletions(-)

(limited to 'drivers/net/tokenring')

diff --git a/drivers/net/tokenring/lanstreamer.c b/drivers/net/tokenring/lanstreamer.c
index 97712c3c4e07..c58a4c31d0dd 100644
--- a/drivers/net/tokenring/lanstreamer.c
+++ b/drivers/net/tokenring/lanstreamer.c
@@ -122,6 +122,7 @@
 #include <linux/spinlock.h>
 #include <linux/version.h>
 #include <linux/bitops.h>
+#include <linux/jiffies.h>
 
 #include <net/checksum.h>
 
@@ -512,7 +513,7 @@ static int streamer_reset(struct net_device *dev)
 
 	while (!((readw(streamer_mmio + SISR)) & SISR_SRB_REPLY)) {
 		msleep_interruptible(100);
-		if (jiffies - t > 40 * HZ) {
+		if (time_after(jiffies, t + 40 * HZ)) {
 			printk(KERN_ERR
 			       "IBM PCI tokenring card not responding\n");
 			release_region(dev->base_addr, STREAMER_IO_SPACE);
diff --git a/drivers/net/tokenring/olympic.c b/drivers/net/tokenring/olympic.c
index 05477d24fd49..23032a7bc0a9 100644
--- a/drivers/net/tokenring/olympic.c
+++ b/drivers/net/tokenring/olympic.c
@@ -100,6 +100,7 @@
 #include <linux/pci.h>
 #include <linux/spinlock.h>
 #include <linux/bitops.h>
+#include <linux/jiffies.h>
 
 #include <net/checksum.h>
 
@@ -307,7 +308,7 @@ static int __devinit olympic_init(struct net_device *dev)
 	t=jiffies;
 	while((readl(olympic_mmio+BCTL)) & BCTL_SOFTRESET) {
 		schedule();		
-		if(jiffies-t > 40*HZ) {
+		if(time_after(jiffies, t + 40*HZ)) {
 			printk(KERN_ERR "IBM PCI tokenring card not responding.\n");
 			return -ENODEV;
 		}
@@ -359,7 +360,7 @@ static int __devinit olympic_init(struct net_device *dev)
 		t=jiffies;
 		while (!readl(olympic_mmio+CLKCTL) & CLKCTL_PAUSE) { 
 			schedule() ; 
-			if(jiffies-t > 2*HZ) { 
+			if(time_after(jiffies, t + 2*HZ)) {
 				printk(KERN_ERR "IBM Cardbus tokenring adapter not responsing.\n") ; 
 				return -ENODEV;
 			}
@@ -373,7 +374,7 @@ static int __devinit olympic_init(struct net_device *dev)
 	t=jiffies;
 	while(!((readl(olympic_mmio+SISR_RR)) & SISR_SRB_REPLY)) {
 		schedule();		
-		if(jiffies-t > 15*HZ) {
+		if(time_after(jiffies, t + 15*HZ)) {
 			printk(KERN_ERR "IBM PCI tokenring card not responding.\n");
 			return -ENODEV;
 		}
@@ -519,7 +520,7 @@ static int olympic_open(struct net_device *dev)
             			olympic_priv->srb_queued=0;
             			break;
         		}
-			if ((jiffies-t) > 10*HZ) { 
+			if (time_after(jiffies, t + 10*HZ)) {
 				printk(KERN_WARNING "%s: SRB timed out. \n",dev->name) ; 
 				olympic_priv->srb_queued=0;
 				break ; 
-- 
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